package com.engine.cese.duss.singleLogin.util;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;

/**
 * @Title: ecology-9-demo
 * @Company: 泛微软件
 * @author: weaver.Dusongsong
 * @version: 1.0
 * @CreateDate: 2021-03-10
 * @Description: ${description}
 * @ModifyLog:
 **/

public class LoginUtil {
    public static JSONObject sendPostHttpRequest(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        JSONObject jsonResult = null;
        try {
            URL realUrl = new URL( url );
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty( "accept", "*/*" );
            connection.setRequestProperty( "connection", "Keep-Alive" );
            connection.setRequestProperty( "user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)" );
            connection.setRequestProperty( "Content-Type", "application/json; charset=utf-8" );
            // 发送POST请求必须设置如下两行
            connection.setDoOutput( true );
            connection.setDoInput( true );
            //1.获取URLConnection对象对应的输出流
            out = new PrintWriter( connection.getOutputStream() );
            //2.中文有乱码的需要将PrintWriter改为如下
            //out=new OutputStreamWriter(conn.getOutputStream(),"UTF-8");
            // 发送请求参数
            out.print( param );
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader( new InputStreamReader( connection.getInputStream(), "UTF-8" ) );
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            jsonResult = JSONObject.parseObject( result );
        } catch (Exception e) {
            System.out.println( "发送 POST 请求出现异常！" + e );
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return jsonResult;
    }
}
